7 x 110w into 4/8 ohms, Holmgren toroidal power transformer, Dolby Digital, Dolby Digital EX, ProLogic II, DTS, DTS ES, DTS NEO:6, Matrix 7.1, EARS and Stereo Enhanced Surround Modes, HDCD, 5 A/V custom presets, direct access speaker level adjustment for surround/center/subwoofer, 6 S-Video/composite inputs, component video on 3 inputs and 1 output, 3 audio inputs, 1 tape loop, 6 freely assignable digital inputs (4 coaxial, 2 Toslink), 2 digital outputs (1 coaxial, 1 Toslink), 7.1 analogue input (for DVD Audio), speaker A + B switching (speakers stereo only), multi-source 2nd zone A/V pre-out with independent source and volume, ZR-2 second zone remote included discrete codes for independent zone, NAD Soft Clipping, IR input, 2 x IR outputs, RS-232 port interface for advanced control systems and software upgrade, 3 x 12V trigger outputs, 12V trigger input, preamp outputs for all 7.1 channels (2 subwoofers), amplifier inputs for 7 power amps, RDS FM/AM tuner with 30 direct access presets, HTR-2 remote control.